The RTL-SDR 1ppm TCXO USB PC receiver with the R820T2 / RTL2832U chipset.
RTL-SDR Blog V3 R820T2 RTL2832U 1PPM TCXO SMA Software Defined Radio 500 kHz to 1.7 GHz (Dongle Only)
RTL-SDR Blog V3 R860 (R820T2) RTL2832U 1PPM TCXO SMA Software Defined Radio with Dipole Antenna
RTL-SDR Blog V3 R860 RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only) (Black) : Electronics
Includes 1x RTL-SDR Blog brand R860 RTL2832U 1PPM TCXO HF Bias Tee SMA Dongle (V3) (Dongle Only) Several improvements over other brands including use
V3 R860 RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only) (Black)
MOUDOAUER R820T2 RTL2832U 1PPM TCXO SMA Software Defined Radio USB Dongle for RTL-SDR Blog Accessory : Electronics
RTL-SDR Blog R820T2 RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only)
RTL-SDR Blog RTL SDR V3 R820T2 RTL2832U 1PPM TCXO SMA RTLSDR Software Defined Radio (Dongle Only) - AliExpress
RTL-SDR Blog V3 R860 (R820T2) RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only) – RFCharge
Super stable 1ppm TCXO R820T2 tuner RTL2832U RTL-SDR.com USB Stick - TechnoFix UK